Selecting a Trigger Condition for an Event

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Depending on the event you select, the Trigger conditions might be available.

Event Type	Trigger Condition
Numeric sensor threshold-crossing events, or the occurrence of the selected event -- true or false	Asserted – The HPDU takes the action only when the selected event occurs. The status of the event transits from false to true. Deasserted – The HPDU takes the action only when the selected event disappears or stops. The status of the selected event transits from true to false. Both – The HPDU takes the action both when the event occurs (asserts) and when the event stops or disappears (deasserts).
State sensor state change	Alarmed/Open/On – The HPDU takes the action only when the selected sensor enters the alarmed, open, or on state. No longer alarmed/Closed/Off – The HPDU takes the action only when the selected sensor returns to the normal, closed, or off state. Both – The HPDU takes the action whenever the selected sensor switches its state.
Sensor availability	Unavailable: – The HPDU takes the action only when the selected sensor is not detected and becomes unavailable. Available: – The HPDU takes the action only when the selected sensor is detected and becomes available. Both: – The HPDU takes the action both when the selected sensor becomes unavailable or available.
Network interface link state	Link state is up: – The HPDU takes the action only when the network link state changes from down to up. Link state is down: – The HPDU takes the action only when the network link state changes from up to down. Both: – The HPDU takes the action whenever the network link state changes.
Function enabled or disabled	Enabled: – The HPDU takes the action only when the selected function is enabled. Disabled: – The HPDU takes the action only when the selected function is disabled. Both: – The HPDU takes the action when the selected function is either enabled or disabled.
Restricted service agreement	Accepted: – The HPDU takes the action only when the specified user accepts the restricted service agreement. Declined: – The HPDU takes the action only when the specified user rejects the restricted service agreement. Both: – The HPDU takes the action both when the specified user accepts or rejects the restricted service agreement.
Server monitoring event	Monitoring started: – The HPDU takes the action only when the monitoring of any specified server starts. Monitoring stopped: – The HPDU takes the action only when the monitoring of any specified server stops. Both: – The HPDU takes the action when the monitoring of any specified server starts or stops.
Server reachability	Unreachable: – The HPDU takes the action only when any specified server becomes inaccessible. Reachable: – The HPDU takes the action only when any specified server becomes accessible. Both: – The HPDU takes the action when any specified server becomes either inaccessible or accessible.